charge your iPhone by breathing

I thought this was an April Fool - charge your iPhone by breathing. "Save on your electricity bills with the AIRE mask charger. This mask will charge your iDevice while you are breathing at a normal pace; using the air you breathe to propel a few mini wind turbines. The mask is only a concept and does not exist at this point in time (thank goodness)." Read in full: http://modmyi.com/content/7046-aire-mask-charging-your-iphone-while-you-breathe.html